Scientists Shed Light on the Winter Blues When a case of the winter blues feels more like depression, you may be suffering from SAD. SAD stands for Seasonal Affective Disorder. SAD is a seasonal disruption of mood that occurs during the winter months and ceases with the beginning of spring. Symptoms usually begin in September when days begin to shorten, and last through the winter into March when the days begin to lengthen again. The …showed first 75 words of 1044 total…

…showed last 75 words of 1044 total…